US3284600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elongated thermostatic control
Assignee: STEVENS MANUFACTURING COMPANY Inc
•
Filing: 1964-07-09
•
Granted: 1966-11-08
•
Expires: 1984-07-09
Abstract
No abstract record available.
Inventors
- 👤 Charles S Mertler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:40
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/36; H01H37/40
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
95 words
A THERMOSTATIC CONTROL DEVICE FOR A HEATER, COMPRISING, A BASE, A SWITCH CARRIED ON SAID BASE, A DIAPHRAGM POSITIONED ON SAID BASE TO ACT ON SAID SWITCH, AN ELONGATED TEMPERATURE SENSING DEVICE POSITIONED IN HEAT-RECEIVING RELATIONSHIP WITH THE HEATER, SAID ELONGATED TEMPERATURE SENSING DEVICE ACTING ON SAID DIAPHRAGM TO CAUSE TO MOVE IN ONE DIRECTION TO ACTUATE SAID SWITCH TO ONE CONDITION UPON INCREASE IN TEMPERATURE IN SAID TEMPERATURE SENSING DEVICE, ONE OF SAID DIAPHRAGM AND SAID SWITCH BEING SNAP ACTING, MEANS INCLUDING SAID DIAPHRAGM AND SAID ELONGATED TEMERATURE SENSING DEVICE DEFINING AN ENCLOSED CHAMBER,
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |